Restrict decimal points while treegrid editing in Angular Treegrid component

21 Sep 20224 minutes to read

By default, the number of decimal places will be restricted to two in the NumericTextBox while editing the numeric column. We can restrict to type the decimal points in a NumericTextBox by using the validateDecimalOnType and decimals properties of NumericTextBox.

In the below demo, while editing the row we have restricted to type the decimal point value in the NumericTextBox of Price column.

import { Component, OnInit, ViewChild } from '@angular/core';
import { stackedData } from './datasource';
import { TreeGridComponent, EditSettingsModel, ToolbarItems, ToolbarService, EditService } from '@syncfusion/ej2-angular-treegrid';
import {  IEditCell } from '@syncfusion/ej2-angular-grids';

    selector: 'app-container',
    providers: [ToolbarService, EditService],
    template: `<ejs-treegrid #treegridObj [dataSource]='data' childMapping='subtasks' [treeColumnIndex]='1' [height]='265' [editSettings]='editSettings' [toolbar]='toolbar'>
            <e-column field='orderID' headerText='Order ID' width='70' textAlign='Right' isPrimaryKey='true'></e-column>
            <e-column field='orderName' headerText='Order Name' width='100' ></e-column>
            <e-column field='orderDate' headerText='Order Date' textAlign='Right' [format]='formatOptions' editType= 'datepickeredit' width='100'></e-column>
            <e-column field='shippedDate' headerText='Shipped Date' textAlign='Right' [format]='formatOptions' editType= 'datepickeredit' width='100'></e-column>
            <e-column field='shipMentCategory' headerText='Shipment Category' width='100' ></e-column>
            <e-column field='units' headerText='Units' width='90' textAlign='Right'  editType= 'numericedit'></e-column>
            <e-column field='price' headerText='Price' width='90' textAlign='Right' [format]='numericFormatOptions' editType= 'numericedit' [edit]='numericParams' ></e-column>
export class AppComponent implements OnInit {

    public data: Object[] = [];
    public formatOptions: Object;
    public numericFormatOptions: Object;
    public editSettings: EditSettingsModel;
    public toolbar: ToolbarItems[];
    public numericParams: IEditCell

    ngOnInit(): void { = stackedData;
        this.formatOptions = { format: 'y/M/d', type: 'date' };
        this.numericFormatOptions = {format: 'c2'}
        this.editSettings = { allowEditing: true, allowAdding: true, allowDeleting: true };
        this.toolbar = ['Add', 'Edit', 'Delete', 'Update', 'Cancel'];
        this.numericParams = { params: {
            validateDecimalOnType: true,
            decimals: 0,
            format: 'N' }

import { NgModule,ViewChild } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import { TreeGridModule } from '@syncfusion/ej2-angular-treegrid';
import { PageService, SortService, FilterService } from '@syncfusion/ej2-angular-treegrid';
import { AppComponent } from './app.component';
import {ButtonModule} from '@syncfusion/ej2-angular-buttons';
import { DropDownListAllModule } from '@syncfusion/ej2-angular-dropdowns';

 * Module
    imports: [
    declarations: [AppComponent],
    bootstrap: [AppComponent],
    providers: [PageService,
export class AppModule { }
import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';
import { enableProdMode } from '@angular/core';
import { AppModule } from './app.module';


You can refer to our Angular Tree Grid feature tour page for its groundbreaking feature representations. You can also explore our Angular Tree Grid example to knows how to present and manipulate data.